General
- Target https://pan.quark.cn/s/4a4bc509e59d#/list/share
- Sample260703-fsaxesbw61
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://pan.quark.cn/s/4a4bc509e59d#/list/share
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
https://pan.quark.cn/s/4a4bc509e59d#/list/share
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral3
Sample
https://pan.quark.cn/s/4a4bc509e59d#/list/share
Resource
macos-20250619-en
Malware Config
Targets
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- Target https://pan.quark.cn/s/4a4bc509e59d#/list/share
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Enumerates VirtualBox registry keys
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Identifies Xen via ACPI registry values (likely anti-VM)
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Looks for VirtualBox Guest Additions in registry
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Downloads MZ/PE file
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Identifies hardware specifics through system_profiler
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Looks for VMWare Tools registry key
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Looks for VMWare services registry key.
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Looks for Xen service registry key.
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Checks whether UAC is enabled
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Creates a large amount of network flows
This may indicate a network scan to discover remotely running services.
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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Gatekeeper Bypass
Adversaries may modify file attributes and subvert Gatekeeper functionality to evade user prompts and execute untrusted programs. Gatekeeper is a set of technologies that act as layer of Apples security model to ensure only trusted applications are executed on a host.
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Hide Artifacts
1Resource Forking
1Modify Registry
2Subvert Trust Controls
2Gatekeeper Bypass
1Install Root Certificate
1Virtualization/Sandbox Evasion
8Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Discovery
Browser Information Discovery
1Network Service Discovery
1Network Share Discovery
1Peripheral Device Discovery
3Query Registry
16System Information Discovery
11System Location Discovery
1System Language Discovery
1System Time Discovery
1Virtualization/Sandbox Evasion
8